aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/phy/ti/phy-tusb1210.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/phy/ti/phy-tusb1210.c')
-rw-r--r--drivers/phy/ti/phy-tusb1210.c57
1 files changed, 30 insertions, 27 deletions
diff --git a/drivers/phy/ti/phy-tusb1210.c b/drivers/phy/ti/phy-tusb1210.c
index b4881cb344759d..13cd614e12a1d3 100644
--- a/drivers/phy/ti/phy-tusb1210.c
+++ b/drivers/phy/ti/phy-tusb1210.c
@@ -17,6 +17,10 @@
#include <linux/property.h>
#include <linux/workqueue.h>
+#define TI_VENDOR_ID 0x0451
+#define TI_DEVICE_TUSB1210 0x1507
+#define TI_DEVICE_TUSB1211 0x1508
+
#define TUSB1211_POWER_CONTROL 0x3d
#define TUSB1211_POWER_CONTROL_SET 0x3e
#define TUSB1211_POWER_CONTROL_CLEAR 0x3f
@@ -52,7 +56,7 @@ enum tusb1210_chg_det_state {
};
struct tusb1210 {
- struct ulpi *ulpi;
+ struct device *dev;
struct phy *phy;
struct gpio_desc *gpio_reset;
struct gpio_desc *gpio_cs;
@@ -71,26 +75,27 @@ struct tusb1210 {
static int tusb1210_ulpi_write(struct tusb1210 *tusb, u8 reg, u8 val)
{
+ struct device *dev = tusb->dev;
int ret;
- ret = ulpi_write(tusb->ulpi, reg, val);
+ ret = ulpi_write(to_ulpi_dev(dev), reg, val);
if (ret)
- dev_err(&tusb->ulpi->dev, "error %d writing val 0x%02x to reg 0x%02x\n",
- ret, val, reg);
+ dev_err(dev, "error %d writing val 0x%02x to reg 0x%02x\n", ret, val, reg);
return ret;
}
static int tusb1210_ulpi_read(struct tusb1210 *tusb, u8 reg, u8 *val)
{
+ struct device *dev = tusb->dev;
int ret;
- ret = ulpi_read(tusb->ulpi, reg);
+ ret = ulpi_read(to_ulpi_dev(dev), reg);
if (ret >= 0) {
*val = ret;
ret = 0;
} else {
- dev_err(&tusb->ulpi->dev, "error %d reading reg 0x%02x\n", ret, reg);
+ dev_err(dev, "error %d reading reg 0x%02x\n", ret, reg);
}
return ret;
@@ -178,7 +183,7 @@ static void tusb1210_reset(struct tusb1210 *tusb)
static void tusb1210_chg_det_set_type(struct tusb1210 *tusb,
enum power_supply_usb_type type)
{
- dev_dbg(&tusb->ulpi->dev, "charger type: %d\n", type);
+ dev_dbg(tusb->dev, "charger type: %d\n", type);
tusb->chg_type = type;
tusb->chg_det_retries = 0;
power_supply_changed(tusb->psy);
@@ -189,7 +194,7 @@ static void tusb1210_chg_det_set_state(struct tusb1210 *tusb,
int delay_ms)
{
if (delay_ms)
- dev_dbg(&tusb->ulpi->dev, "chg_det new state %s in %d ms\n",
+ dev_dbg(tusb->dev, "chg_det new state %s in %d ms\n",
tusb1210_chg_det_states[new_state], delay_ms);
tusb->chg_det_state = new_state;
@@ -253,7 +258,7 @@ static void tusb1210_chg_det_work(struct work_struct *work)
int ret;
u8 val;
- dev_dbg(&tusb->ulpi->dev, "chg_det state %s vbus_present %d\n",
+ dev_dbg(tusb->dev, "chg_det state %s vbus_present %d\n",
tusb1210_chg_det_states[tusb->chg_det_state], vbus_present);
switch (tusb->chg_det_state) {
@@ -261,9 +266,9 @@ static void tusb1210_chg_det_work(struct work_struct *work)
tusb->chg_type = POWER_SUPPLY_USB_TYPE_UNKNOWN;
tusb->chg_det_retries = 0;
/* Power on USB controller for ulpi_read()/_write() */
- ret = pm_runtime_resume_and_get(tusb->ulpi->dev.parent);
+ ret = pm_runtime_resume_and_get(tusb->dev->parent);
if (ret < 0) {
- dev_err(&tusb->ulpi->dev, "error %d runtime-resuming\n", ret);
+ dev_err(tusb->dev, "error %d runtime-resuming\n", ret);
/* Should never happen, skip charger detection */
tusb1210_chg_det_set_state(tusb, TUSB1210_CHG_DET_CONNECTED, 0);
return;
@@ -332,7 +337,7 @@ static void tusb1210_chg_det_work(struct work_struct *work)
mutex_unlock(&tusb->phy->mutex);
- pm_runtime_put(tusb->ulpi->dev.parent);
+ pm_runtime_put(tusb->dev->parent);
tusb1210_chg_det_set_state(tusb, TUSB1210_CHG_DET_CONNECTED, 0);
break;
case TUSB1210_CHG_DET_CONNECTED:
@@ -428,13 +433,14 @@ static const struct power_supply_desc tusb1210_psy_desc = {
static void tusb1210_probe_charger_detect(struct tusb1210 *tusb)
{
struct power_supply_config psy_cfg = { .drv_data = tusb };
- struct device *dev = &tusb->ulpi->dev;
+ struct device *dev = tusb->dev;
+ struct ulpi *ulpi = to_ulpi_dev(dev);
int ret;
if (!device_property_read_bool(dev->parent, "linux,phy_charger_detect"))
return;
- if (tusb->ulpi->id.product != 0x1508) {
+ if (ulpi->id.product != TI_DEVICE_TUSB1211) {
dev_err(dev, "error charger detection is only supported on the TUSB1211\n");
return;
}
@@ -485,25 +491,24 @@ static const struct phy_ops phy_ops = {
static int tusb1210_probe(struct ulpi *ulpi)
{
+ struct device *dev = &ulpi->dev;
struct tusb1210 *tusb;
u8 val, reg;
int ret;
- tusb = devm_kzalloc(&ulpi->dev, sizeof(*tusb), GFP_KERNEL);
+ tusb = devm_kzalloc(dev, sizeof(*tusb), GFP_KERNEL);
if (!tusb)
return -ENOMEM;
- tusb->ulpi = ulpi;
+ tusb->dev = dev;
- tusb->gpio_reset = devm_gpiod_get_optional(&ulpi->dev, "reset",
- GPIOD_OUT_LOW);
+ tusb->gpio_reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
if (IS_ERR(tusb->gpio_reset))
return PTR_ERR(tusb->gpio_reset);
gpiod_set_value_cansleep(tusb->gpio_reset, 1);
- tusb->gpio_cs = devm_gpiod_get_optional(&ulpi->dev, "cs",
- GPIOD_OUT_LOW);
+ tusb->gpio_cs = devm_gpiod_get_optional(dev, "cs", GPIOD_OUT_LOW);
if (IS_ERR(tusb->gpio_cs))
return PTR_ERR(tusb->gpio_cs);
@@ -519,15 +524,15 @@ static int tusb1210_probe(struct ulpi *ulpi)
return ret;
/* High speed output drive strength configuration */
- if (!device_property_read_u8(&ulpi->dev, "ihstx", &val))
+ if (!device_property_read_u8(dev, "ihstx", &val))
u8p_replace_bits(&reg, val, (u8)TUSB1210_VENDOR_SPECIFIC2_IHSTX_MASK);
/* High speed output impedance configuration */
- if (!device_property_read_u8(&ulpi->dev, "zhsdrv", &val))
+ if (!device_property_read_u8(dev, "zhsdrv", &val))
u8p_replace_bits(&reg, val, (u8)TUSB1210_VENDOR_SPECIFIC2_ZHSDRV_MASK);
/* DP/DM swap control */
- if (!device_property_read_u8(&ulpi->dev, "datapolarity", &val))
+ if (!device_property_read_u8(dev, "datapolarity", &val))
u8p_replace_bits(&reg, val, (u8)TUSB1210_VENDOR_SPECIFIC2_DP_MASK);
ret = tusb1210_ulpi_write(tusb, TUSB1210_VENDOR_SPECIFIC2, reg);
@@ -561,11 +566,9 @@ static void tusb1210_remove(struct ulpi *ulpi)
tusb1210_remove_charger_detect(tusb);
}
-#define TI_VENDOR_ID 0x0451
-
static const struct ulpi_device_id tusb1210_ulpi_id[] = {
- { TI_VENDOR_ID, 0x1507, }, /* TUSB1210 */
- { TI_VENDOR_ID, 0x1508, }, /* TUSB1211 */
+ { TI_VENDOR_ID, TI_DEVICE_TUSB1210 },
+ { TI_VENDOR_ID, TI_DEVICE_TUSB1211 },
{ },
};
MODULE_DEVICE_TABLE(ulpi, tusb1210_ulpi_id);
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-27 21:14:10 +0000